Microphone boom for a headset



FIG. 1 is a lower rear left perspective view of a microphone boom for a headset, the broken line drawing of an earloop of the headset in drawings herein is for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a lower front right perspective view;

FIG. 3 is a front elevational view;

FIG. 4 is a right side elevational view;

FIG. 5 is a rear elevational view;

FIG. 6 is a left side elevational view;

FIG. 7 is a top plan view; and,

FIG. 8 is a bottom plan view. 

The ornamental design for a microphone boom for a headset, as shown and described. 